+29.46290, -90.75110
29°27'46" N, 90°45'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:LA0315 over PROVOST BAYOU
Structure number:025502459001261
Location:8.6 MI SOUTH OF LA 661
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:136.2 ft. [41.5 m]
Total length:175.9 ft. [53.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Owner:State Highway Agency [01]
Year built:1953
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Movable - Swing [17]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:2,400 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:29.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$802,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018PoorSatisfactoryFairPoor240029.8
January 2017PoorSatisfactoryFairPoor240029.8
January 2016PoorSatisfactoryFairPoor240029.5
January 2015FairSatisfactoryFairFair240045.5
September 2013FairSatisfactoryFairFair178045.5
October 2012FairSatisfactorySatisfactoryFair178045.5
November 2010FairSatisfactorySatisfactorySatisfactory210044.5
December 2008FairSatisfactorySatisfactorySatisfactory210043.5
November 2007FairFairSatisfactorySatisfactory260042.5
December 2006FairFairSatisfactorySatisfactory280042.5
April 2005FairFairSatisfactoryFair270041.5
March 2004FairFairSatisfactoryFair330041.5
April 2002FairFairSatisfactoryFair300041.5
July 2000FairFairSatisfactoryFair243641.5
August 1998FairFairSatisfactoryFair209441.5
September 1996FairSatisfactorySatisfactorySatisfactory279143.5
September 1994FairSatisfactorySatisfactoryGood264445.5
May 1992FairSatisfactorySatisfactoryGood216748.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.43428415000
Steel Protective Coatingsq. ft.5,282005,2820
Steel Stringerlinear ft.40520520000
Steel Protective Coatingsq. ft.2,339002,3390
Reinforced Concrete Decksq. ft.4,4004,3851500
Steel Floor Beamlinear ft.1252575250
Steel Protective Coatingsq. ft.2,231002,2310
Reinforced Concrete Pier Walllinear ft.11000
Reinforced Concrete Abutmentlinear ft.7000700
Prestressed Concrete Pileeach1211010
Reinforced Concrete Pier Caplinear ft.5050000
Pourable Jointlinear ft.5050000
Open Jointlinear ft.100100000
Movable Bearingeach2400240
Steel Protective Coatingsq. ft.2000020
Other Bearingeach10100
Steel Protective Coatingsq. ft.3600036
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.352352000